What Is Life? 2nd Edition by Jay Phelan

تمرين 58

Chemical defenses are more common among plants than animals because:
A) plants cannot move to escape predators and so must develop other deterrents.
B) the cell wall can contain the chemicals more effectively than a simple plasma membrane.
C) mechanical defenses against predators can evolve only in animals.
D) parasite loads are significantly higher in plants than in animals.
E) All of the above are correct.